Model Comparison

Hy3 vs Kimi-k1.5Which is better in 2026?

Comparing Hy3 and Kimi-k1.5 across benchmarks, pricing, and capabilities.

Verdict: Hy3 vs Kimi-k1.5 — which is better?

Hy3 (by Tencent) and Kimi-k1.5 (by Moonshot AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Choose Hy3 if…

  • you want the most recent training data — it shipped Jul 2026
  • you need open weights you can self-host or fine-tune

Choose Kimi-k1.5 if…

  • you are already invested in the Moonshot AI ecosystem

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Hy3 and Kimi-k1.5don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Input Capabilities

Supported data types and modalities

Kimi-k1.5 supports multimodal inputs, whereas Hy3 does not.

Kimi-k1.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Hy3

Text
Images
Audio
Video

Kimi-k1.5

Text
Images
Audio
Video

License

Usage and distribution terms

Hy3 is licensed under Apache 2.0, while Kimi-k1.5 uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Hy3

Apache 2.0

Open weights

Kimi-k1.5

Proprietary

Closed source

Release Timeline

When each model was launched

Hy3 was released on 2026-07-06, while Kimi-k1.5 was released on 2025-01-20.

Hy3 is 18 months newer than Kimi-k1.5.

Hy3

Jul 6, 2026

1 weeks ago

1.5yr newer
Kimi-k1.5

Jan 20, 2025

1.5 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Tencent
Has open weights
Moonshot AI
Supports multimodal inputs

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Hy3 and Kimi-k1.5 side-by-side, then vote on the output you prefer.

Hy3
✓ Preferred
Kimi-k1.5
Open in Playground
AI Model Comparison Table
Feature
Tencent
Hy3
Moonshot AI
Kimi-k1.5

FAQ

Common questions about Hy3 vs Kimi-k1.5.

Which is better, Hy3 or Kimi-k1.5?

Hy3 (Tencent) and Kimi-k1.5 (Moonshot AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Hy3 compare to Kimi-k1.5 in benchmarks?

Hy3 scores DeepSearchQA: 91.0%, GPQA: 90.4%, IMO-AnswerBench: 90.0%, BrowseComp: 84.2%, MCP Atlas: 79.1%. Kimi-k1.5 scores MATH-500: 96.2%, CLUEWSC: 91.4%, C-Eval: 88.3%, MMLU: 87.4%, IFEval: 87.2%.

What are the main differences between Hy3 and Kimi-k1.5?

Key differences include multimodal support (no vs yes), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Hy3 and Kimi-k1.5?

Hy3 is developed by Tencent and Kimi-k1.5 is developed by Moonshot AI.

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